Filling & Packaging

Spec Engineering is a leader in providing solutions in the area of filling dry bulk materials into bags, drums, and boxes of all types. We strive to provide our customers in this field with the very latest in technology. Our holistic approach is centered on the needs of our customer, the characteristic of the material, and the relationship with the desired package to provide the best solution.


Our industries include food ingredients, cement, specialty chemicals, plastics, and minerals.

AD Process Equipment is a Gray company.

AD Process Equipment is your single source for system design and process equipment integration. Our experienced team works with customers to meet demands in bulk processing and material handling by providing practical design solutions that cater to their unique needs. Our personalized solutions in equipment and technology give customers a competitive edge in the ever-changing global marketplace.